| 释义 |
degas, v.|diːˈgæs|
[f. de- II. 2 + gas n.]
trans. To remove unwanted gas from. Also deˌgasifiˈcation; deˈgasify v.; deˈgasifying ppl. a.; deˈgasser; deˈgassing vbl. n. and ppl. a.
1901D. von Wagner Man. Chem. Technol. 12 If wood is heated above 150°, it is de-gasified. 1920Lit. Digest 8 May 117 The first ‘degassing chamber’ was constructed in a cellar..in the shell-torn village of Cagnicourt, France. 1925Chem. Abstr. 1938 (heading) Degasification and reactivity of carbonized fuels. 1928Brewer & Maltster & Beverageur 15 Jan. 50 It is very difficult, once a water is de-gassed, to prevent it absorbing oxygen anew. 1934Webster, Degasser. 1936Nature 26 Dec. 1091/2 The electrical vehicle used for transporting the degasser is operated by an 80-volt battery. According to recent experiments, an area contained by a circumference of about 300 meters and covering sewers..can be degassed in 10–15 minutes. 1946Nature 27 July 133/2 We believe that..(3) the type of source, as well as the degassing procedure followed in conditioning the fluoride before coating, affects the hardness [of magnesium fluoride films]. 1949Electronic Engin. XXI. 423 Liquids and melted substances can be de-gassed by ultrasonic waves. 1953Jrnl. Iron & Steel Inst. CLXXIII. 440/1 The author describes a method of desulphurizing and degassing steel in the ladle. 1958New Scientist 7 Aug. 575/3 More information on the Dutch degasifying device..would..be valuable. 1965Times 12 Mar. 24/1 (caption) This degasification station [at an oil-drilling rig] makes a strangely unreal picture. |